Light signal-based information processing method and device
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United States of America Patent
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Oct 3, 2017
Grant Date -
Jul 2, 2015
app pub date -
Feb 9, 2015
filing date -
Aug 31, 2012
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Abstract
The present invention discloses a light signal-based information processing method and device. The method includes: receiving trigger information; extracting corresponding information according to the trigger information; sending the extracted information in a form of a visible light signal, or receiving a visible light signal; obtaining modification of user information and user information according to the visible light signal; and modifying stored user list information according to the modification of user information and the user information, so that an authorization information list of a light signal receiving device can be modified conveniently no matter whether the light signal receiving device is fixed in a specific system.
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